/*
 * Copyright (c) 2021 Martin Koster
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
package com.github.actionfx.core.utils;

import java.util.ResourceBundle;

/**
 * Util class for handlung internationalized messages.
 *
 * @author koster
 *
 */
public final class MessageUtils {

	/**
	 * Class can not be instantiated.
	 */
	private MessageUtils() {
		// can not be instantiated
	}

	/**
	 * Retrieves the message for the given {@code key}. In case there is no key or
	 * the key can not be resolved, the {@code defaultMessage} is returned.
	 *
	 * @param resourceBundle the resource bundle holding the message
	 * @param key            the resource bundle property key
	 * @param defaultMessage the default message
	 * @return the resolved message, or {@code defaultMessage}, in case the
	 *         {@code key} can not be resolved.
	 */
	public static String getMessage(final ResourceBundle resourceBundle, final String key,
			final String defaultMessage) {
		if (resourceBundle == null || key == null || "".equals(key.trim())) {
			return defaultMessage;
		}
		return resourceBundle.containsKey(key) ? resourceBundle.getString(key) : defaultMessage;
	}
}
